Go onboard the Audi R10 Le Mans race car powered by a 5.5L twin turbo V12 diesel engine. This video captures the unique deep engine sound, turbo acceleration, and raw endurance racing performance of ...

Cummins engines have earned a bit of a cult following over the decades — and for good reason. In the U.S., they're the iron workhorses found in everything from pickup trucks to massive semis, and they ...